You are viewing a plain text version of this content. The canonical link for it is here.
Posted to j-users@xerces.apache.org by Cliff Rowley <cl...@onsea.net> on 2002/02/25 13:45:57 UTC
Re: importNode nullpointerexception (was
org.w3c.dom.DOMException: DOM005 Wrong document)
At 12:40 25/02/2002 +0000, you wrote:
>Document doc=util.getDocument();
>
>Element root_element=doc.createElement("page");
>Document content_doc=getContentPane(...);
>Node new_node=doc.importNode(content_doc,true);
>root_element.appendChild(new_node);
Should that not be:
Element root_element=doc.createElement("page");
Document content_doc=getContentPane(...);
Element content_doc_root=content_doc.getDocumentElement();
Node new_node=doc.importNode(content_doc_root,true);
root_element.appendChild(new_node);
>getContentPane is a method in my classes, and is returning a valid node
>(having just looked through it in Forte debugger). (Its not actually a UI
>method, its generating XML from a database)
>
>doc.importNode(...) is causing the NullPointerException, but I can't see
>why, because all of the objects are instantiated, and content_doc (the
>document returned by getContentPane) is a real document.
>I have tried casting content_doc to (Node)content_doc , but that doesn't
>make any difference.
>
>----- Original Message -----
>From: "Alex Speed" <al...@luckymonkey.co.uk>
>To: <xe...@xml.apache.org>
>Sent: Monday, February 25, 2002 12:25 PM
>Subject: Re: org.w3c.dom.DOMException: DOM005 Wrong document
>
>
> > Ahh, I see, cheers for that :D - I have got rid of the DOM005 error, and
> > have got a null pointer exception in appendChild(..) instead... oh well :)
> >
> >
> > ----- Original Message -----
> > From: "Cliff Rowley" <cl...@onsea.net>
> > To: <xe...@xml.apache.org>
> > Sent: Monday, February 25, 2002 12:11 PM
> > Subject: Re: org.w3c.dom.DOMException: DOM005 Wrong document
> >
> >
> > > At 11:57 25/02/2002 +0000, you wrote:
> > >
> > > >Ok, I still don't quite understand :( - say I have this code :
> > > >
> > > >Document doc=util.getDocument();
> > > >Element root_element=doc.createElement("page");
> > > >root_element.appendChild(getContentPane(...));
> > > >root_element.appendChild(getContentPane(...));
> > > >doc.appendChild(root_element);
> > >
> > > In this case, you would need to do this:
> > >
> > > Document doc = util.getDocument();
> > > Element root_element = doc.createElement( "page" );
> > >
> > > But you cant just append a node from another document, you have to
>import
> > > it first, so you do this:
> > >
> > > Node tmp = doc.importNode( getContentPane(...), true );
> > >
> > > And now we can append tmp - which is a copy of the node you want - but
> > > associated with the new document:
> > >
> > > root_element.appendChild( tmp );
> > >
> > > And do the same for each document you want to merge
> > >
> > >
> > > >where getContentPane(...) takes doc to create the Node which it
>returns.
> > > >Urg, this is making my brain ache. I expect that the answer is very
> > simple,
> > > >but I am feeling to thick at the moment to see it....
> > > >
> > > >----- Original Message -----
> > > >From: "Cliff Rowley" <cl...@onsea.net>
> > > >To: <xe...@xml.apache.org>
> > > >Sent: Sunday, February 24, 2002 10:42 PM
> > > >Subject: Re: org.w3c.dom.DOMException: DOM005 Wrong document
> > > >
> > > >
> > > > > Hey there .. its actually a pretty simple procedure...
> > > > >
> > > > > Basically you need to associate the node with the new document
>before
> > it
> > > > > can be appended to it:
> > > > >
> > > > > Node newNode = toDoc.importNode( fromElement, true );
> > > > >
> > > > > (newNode is identical to fromElement, but is associated with toDoc)
> > > > >
> > > > > toElement.appendChild( newNode );
> > > > >
> > > > > At 21:44 24/02/2002 +0000, you wrote:
> > > > >
> > > > > >I am not sure if anybody here can help, but basically, the problem
>is
> > > >that I
> > > > > >need to merge two different Documents together, but when i try and
>do
> > it,
> > > >I
> > > > > >get this error :
> > > > > > - org.w3c.dom.DOMException: DOM005 Wrong document
> > > > > >
> > > > > >I am not sure of the correct procedure for doing this (I am using
> > > >Xerces-J).
> > > > > >Basically, there is a method which creates a Document, and then
> > another
> > > > > >Document. I then create an element in another document and do
> > > > > >element.appendChild(Document) for the other documents I created.
> > > > > >
> > > > > >This generates the error above! - Am I supposed to use the same
> > Document
> > > >to
> > > > > >generate all 3 documents?? or use different ones? eek!
> > > > > >
> > > > > >Thanks for any help!!
> > > > > >
> > > > > >Alex
> > > > > >
> > > > > >
> > > > > >
> > > > >
> >---------------------------------------------------------------------
> > > > > >To unsubscribe, e-mail: xerces-j-user-unsubscribe@xml.apache.org
> > > > > >For additional commands, e-mail: xerces-j-user-help@xml.apache.org
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > >---
> > > > > >Incoming mail is certified Virus Free.
> > > > > >Checked by AVG anti-virus system (http://www.grisoft.com).
> > > > > >Version: 6.0.325 / Virus Database: 182 - Release Date: 19/02/2002
> > > > >
> > > > >
> > > > > Cliff Rowley
> > > > >
> > > > > Tel: +44 (0) 1206 514263
> > > > > Email: cliff@onsea.net
> > > > > Web: http://www.onsea.net
> > > > >
> > > >
> > > >
> > >
> >
> >---------------------------------------------------------------------------
> > -
> > > >----
> > > >
> > > >
> > > > >
> > > > > ---
> > > > > Outgoing mail is certified Virus Free.
> > > > > Checked by AVG anti-virus system (http://www.grisoft.com).
> > > > > Version: 6.0.325 / Virus Database: 182 - Release Date: 19/02/2002
> > > > >
> > > > >
> > > >
> > > >
> > >
> >
> >---------------------------------------------------------------------------
> > -
> > > >----
> > > >
> > > >
> > > >
> > ---------------------------------------------------------------------
> > > > > To unsubscribe, e-mail: xerces-j-user-unsubscribe@xml.apache.org
> > > > > For additional commands, e-mail: xerces-j-user-help@xml.apache.org
> > > >
> > > >
> > > >---------------------------------------------------------------------
> > > >To unsubscribe, e-mail: xerces-j-user-unsubscribe@xml.apache.org
> > > >For additional commands, e-mail: xerces-j-user-help@xml.apache.org
> > > >
> > > >
> > > >
> > > >
> > > >---
> > > >Incoming mail is certified Virus Free.
> > > >Checked by AVG anti-virus system (http://www.grisoft.com).
> > > >Version: 6.0.325 / Virus Database: 182 - Release Date: 19/02/2002
> > >
> > >
> > > Cliff Rowley
> > >
> > > Tel: +44 (0) 1206 514263
> > > Email: cliff@onsea.net
> > > Web: http://www.onsea.net
> > >
> >
> >
> > --------------------------------------------------------------------------
>--
> > ----
> >
> >
> > >
> > > ---
> > > Outgoing mail is certified Virus Free.
> > > Checked by AVG anti-virus system (http://www.grisoft.com).
> > > Version: 6.0.325 / Virus Database: 182 - Release Date: 19/02/2002
> > >
> > >
> >
> >
> > --------------------------------------------------------------------------
>--
> > ----
> >
> >
> > > ---------------------------------------------------------------------
> > > To unsubscribe, e-mail: xerces-j-user-unsubscribe@xml.apache.org
> > > For additional commands, e-mail: xerces-j-user-help@xml.apache.org
> >
> >
> > ---------------------------------------------------------------------
> > To unsubscribe, e-mail: xerces-j-user-unsubscribe@xml.apache.org
> > For additional commands, e-mail: xerces-j-user-help@xml.apache.org
> >
> >
>
>
>---------------------------------------------------------------------
>To unsubscribe, e-mail: xerces-j-user-unsubscribe@xml.apache.org
>For additional commands, e-mail: xerces-j-user-help@xml.apache.org
>
>
>
>
>---
>Incoming mail is certified Virus Free.
>Checked by AVG anti-virus system (http://www.grisoft.com).
>Version: 6.0.325 / Virus Database: 182 - Release Date: 19/02/2002
Cliff Rowley
Tel: +44 (0) 1206 514263
Email: cliff@onsea.net
Web: http://www.onsea.net
Re: importNode nullpointerexception (was
org.w3c.dom.DOMException: DOM005 Wrong document)
Posted by Cliff Rowley <cl...@onsea.net>.
Hehe, no problem. I've got the dreaded lergie myself :( Its not
particularly nice is it? This is day 4 or snot, coughs and other nasty
unmentionables.
Good luck :)
At 12:56 25/02/2002 +0000, you wrote:
>Ah-ha, cracked it :D - you can't pass the same document down to create the
>getContentPane(..) document - I suppose that makes sense (if only my head
>wasn't full of cold and snot....)
>
>Thanks for the help!!
>
>----- Original Message -----
>From: "Alex Speed" <al...@luckymonkey.co.uk>
>To: <xe...@xml.apache.org>
>Sent: Monday, February 25, 2002 12:49 PM
>Subject: Re: importNode nullpointerexception (was org.w3c.dom.DOMException:
>DOM005 Wrong document)
>
>
> > Thats still creating a DOM006 Hierarchy request error
> >
> > >
> > > Should that not be:
> > >
> > > Element root_element=doc.createElement("page");
> > >
> > > Document content_doc=getContentPane(...);
> > > Element content_doc_root=content_doc.getDocumentElement();
> > >
> > > Node new_node=doc.importNode(content_doc_root,true);
> > > root_element.appendChild(new_node);
> > >
> >
> >
> >
> > ---------------------------------------------------------------------
> > To unsubscribe, e-mail: xerces-j-user-unsubscribe@xml.apache.org
> > For additional commands, e-mail: xerces-j-user-help@xml.apache.org
> >
> >
>
>
>---------------------------------------------------------------------
>To unsubscribe, e-mail: xerces-j-user-unsubscribe@xml.apache.org
>For additional commands, e-mail: xerces-j-user-help@xml.apache.org
>
>
>
>
>---
>Incoming mail is certified Virus Free.
>Checked by AVG anti-virus system (http://www.grisoft.com).
>Version: 6.0.325 / Virus Database: 182 - Release Date: 19/02/2002
Cliff Rowley
Tel: +44 (0) 1206 514263
Email: cliff@onsea.net
Web: http://www.onsea.net
Re: importNode nullpointerexception (was org.w3c.dom.DOMException: DOM005 Wrong document)
Posted by Alex Speed <al...@luckymonkey.co.uk>.
Ah-ha, cracked it :D - you can't pass the same document down to create the
getContentPane(..) document - I suppose that makes sense (if only my head
wasn't full of cold and snot....)
Thanks for the help!!
----- Original Message -----
From: "Alex Speed" <al...@luckymonkey.co.uk>
To: <xe...@xml.apache.org>
Sent: Monday, February 25, 2002 12:49 PM
Subject: Re: importNode nullpointerexception (was org.w3c.dom.DOMException:
DOM005 Wrong document)
> Thats still creating a DOM006 Hierarchy request error
>
> >
> > Should that not be:
> >
> > Element root_element=doc.createElement("page");
> >
> > Document content_doc=getContentPane(...);
> > Element content_doc_root=content_doc.getDocumentElement();
> >
> > Node new_node=doc.importNode(content_doc_root,true);
> > root_element.appendChild(new_node);
> >
>
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: xerces-j-user-unsubscribe@xml.apache.org
> For additional commands, e-mail: xerces-j-user-help@xml.apache.org
>
>
---------------------------------------------------------------------
To unsubscribe, e-mail: xerces-j-user-unsubscribe@xml.apache.org
For additional commands, e-mail: xerces-j-user-help@xml.apache.org
Re: importNode nullpointerexception (was
org.w3c.dom.DOMException: DOM005 Wrong document)
Posted by Cliff Rowley <cl...@onsea.net>.
Err .. as far as I'm aware that should work .. is anyone else awake to
sanity check that? I'm not saying I'm insane - just slightly unstable ..
*dribble*
At 12:49 25/02/2002 +0000, you wrote:
>Thats still creating a DOM006 Hierarchy request error
>
> >
> > Should that not be:
> >
> > Element root_element=doc.createElement("page");
> >
> > Document content_doc=getContentPane(...);
> > Element content_doc_root=content_doc.getDocumentElement();
> >
> > Node new_node=doc.importNode(content_doc_root,true);
> > root_element.appendChild(new_node);
> >
>
>
>
>---------------------------------------------------------------------
>To unsubscribe, e-mail: xerces-j-user-unsubscribe@xml.apache.org
>For additional commands, e-mail: xerces-j-user-help@xml.apache.org
>
>
>
>
>---
>Incoming mail is certified Virus Free.
>Checked by AVG anti-virus system (http://www.grisoft.com).
>Version: 6.0.325 / Virus Database: 182 - Release Date: 19/02/2002
Cliff Rowley
Tel: +44 (0) 1206 514263
Email: cliff@onsea.net
Web: http://www.onsea.net
Re: importNode nullpointerexception (was org.w3c.dom.DOMException: DOM005 Wrong document)
Posted by Alex Speed <al...@luckymonkey.co.uk>.
Thats still creating a DOM006 Hierarchy request error
>
> Should that not be:
>
> Element root_element=doc.createElement("page");
>
> Document content_doc=getContentPane(...);
> Element content_doc_root=content_doc.getDocumentElement();
>
> Node new_node=doc.importNode(content_doc_root,true);
> root_element.appendChild(new_node);
>
---------------------------------------------------------------------
To unsubscribe, e-mail: xerces-j-user-unsubscribe@xml.apache.org
For additional commands, e-mail: xerces-j-user-help@xml.apache.org